I searched the web for the maximum ssd size that works flawlessly with the seagate go flex thunderbolt adapter. It seems that 256gb disks is the maximum. Does anyone know if there is really no 512gb disk that works properly with that adapter?

Received the Vertex 4 which already had the latest firmware (1.5), the GoFlex desktop adapter and the apple TB cable. I have the vertex in an Icy Dock MB882SP-1S-1B enclosure. I enabled Trimm. I have been booting from the Vertex for the last two days without any problems.

Apple SSD W184 R215
Vertex 4 W359 R368

Just an update. For 2 months I've been booting from my vertex 4/stae122 with no problems.

I'm booting my iMac mid 2011 strickly from this setup. I didn't have the time nor inclination to install this internally. I think a very good option and easy to implement. I bet running two of these, each plugged into separate thunderbolt inputs in RAID 0 would rock.

I'm booting my iMac mid 2011 strickly from this setup. I didn't have the time nor inclination to install this internally. I think a very good option and easy to implement. I bet running two of these, each plugged into separate thunderbolt inputs in RAID 0 would rock.

Black Magic screen shot:

Those are very close to the scores I got when I ran my MM2012 with a OCZ Vertex 4 256 Gb attached to the STAE121. When I installed the OCZ in the MM I got slightly better.

I've had my MBP 15' Retina hooked up to 4 Seagate GoFlex Desktop thunderbolt adapter (two on each port on the MBP) with two Apple Gigabit Ethernet adaptors at the end of each thunderbolt-chain.

Then I got two Samsung SSD 840 Basic 500GB, enabled Trim and created a RAID0 1TB Drive. Using Blackmagic Disk Speed Test, that resulted in 600mb/s write and 700mb/s read when empty as well as with only 25% free space.

A couple of days ago, another two Samsung SSD 840 Basic 500GB was added and a 4x SSD RAID0 (32kb stripe size) 2TB drive was created....

All the SSD's arrived with the "correct" FW: DXT06B0Q (If someone know how to update the FW on a Mac-system, please reply)

Prior to adding the last two SSD's, I tried creating a Fusion Drive. First using one Samsung SSD and a Hitachi 3TB 7200rpm SATA-III, secondly with two SSD's in RAID0 and the same Hitachi HDD (that is a Fusion drive consisting of a RAID0 Drive + a HDD). The first Fusion Drive was deleted immediately in favor of the second 4TB Fusion Drive. Both of them worked without any error.

My Thanks to this forum and especially this thread, for convincing me to try the Seagate GoFlex Desktop thunderbolt adapter - as you can see, there is no reason to be disappointed...

BTW: Does the Seagate GoFlex Desktop thunderbolt adapter appear in System Information.app as "Unknown AHCI Standard Controller" for everybody else?